"""empty message

Revision ID: 48c3aed123cf
Revises: a7c617755721
Create Date: 2017-05-01 12:09:36.887823

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = "48c3aed123cf"
down_revision = "a7c617755721"
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column("tasks", sa.Column("splittable", sa.Boolean(), nullable=True))
    op.alter_column("tasks", "x", existing_type=sa.INTEGER(), nullable=True)
    op.alter_column("tasks", "y", existing_type=sa.INTEGER(), nullable=True)
    op.alter_column("tasks", "zoom", existing_type=sa.INTEGER(), nullable=True)
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column("tasks", "zoom", existing_type=sa.INTEGER(), nullable=False)
    op.alter_column("tasks", "y", existing_type=sa.INTEGER(), nullable=False)
    op.alter_column("tasks", "x", existing_type=sa.INTEGER(), nullable=False)
    op.drop_column("tasks", "splittable")
    # ### end Alembic commands ###